单词ethine
n.: 乙炔
网络: 电石气
乙炔
Technological fire prevention measures to production of ethine from calcium carbide
电石法制取乙炔的工艺防火措施
Improvements on Experiment of Preparing Ethine in Laboratory
实验室制取乙炔实验改进
Effect of different ASU processes on ethine
不同空分流程对乙炔含量的影响